package com.kexio.dynamic.permission.service.impl;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

import com.kexio.dynamic.permission.service.DynamicPermissionService;

/**
 * 动态权限服务默认实现
 * 
 * @author Kexio
 * @since 1.0.0
 */
@Service
public class DefaultDynamicPermissionService implements DynamicPermissionService {

    private static final Logger log = LoggerFactory.getLogger(DefaultDynamicPermissionService.class);

    @Override
    public boolean hasPermission(Long userId, String permission) {
        // TODO: 实现基于数据库或缓存的权限检查逻辑
        log.debug("检查用户权限: userId={}, permission={}", userId, permission);
        return false; // 默认无权限，需要具体实现
    }

    @Override
    public boolean hasAnyPermission(Long userId, List<String> permissions) {
        return permissions.stream().anyMatch(permission -> hasPermission(userId, permission));
    }

    @Override
    public boolean hasAllPermissions(Long userId, List<String> permissions) {
        return permissions.stream().allMatch(permission -> hasPermission(userId, permission));
    }

    @Override
    public void grantPermission(Long userId, String permission) {
        // TODO: 实现授权逻辑
        log.info("授予用户权限: userId={}, permission={}", userId, permission);
    }

    @Override
    public void grantPermissions(Long userId, List<String> permissions) {
        permissions.forEach(permission -> grantPermission(userId, permission));
    }

    @Override
    public void revokePermission(Long userId, String permission) {
        // TODO: 实现撤销权限逻辑
        log.info("撤销用户权限: userId={}, permission={}", userId, permission);
    }

    @Override
    public void revokePermissions(Long userId, List<String> permissions) {
        permissions.forEach(permission -> revokePermission(userId, permission));
    }

    @Override
    public List<String> getUserPermissions(Long userId) {
        // TODO: 实现获取用户权限逻辑
        log.debug("获取用户权限列表: userId={}", userId);
        return new ArrayList<>(); // 默认空列表，需要具体实现
    }

    @Override
    public void grantRolePermission(Long roleId, String permission) {
        // TODO: 实现角色权限授予逻辑
        log.info("授予角色权限: roleId={}, permission={}", roleId, permission);
    }

    @Override
    public void revokeRolePermission(Long roleId, String permission) {
        // TODO: 实现角色权限撤销逻辑
        log.info("撤销角色权限: roleId={}, permission={}", roleId, permission);
    }

    @Override
    public List<String> getRolePermissions(Long roleId) {
        // TODO: 实现获取角色权限逻辑
        log.debug("获取角色权限列表: roleId={}", roleId);
        return new ArrayList<>(); // 默认空列表，需要具体实现
    }

    @Override
    public void createPermissionRule(PermissionRule rule) {
        // TODO: 实现创建权限规则逻辑
        log.info("创建权限规则: name={}, expression={}", rule.getName(), rule.getExpression());
    }

    @Override
    public void updatePermissionRule(Long ruleId, PermissionRule rule) {
        // TODO: 实现更新权限规则逻辑
        log.info("更新权限规则: ruleId={}, name={}", ruleId, rule.getName());
    }

    @Override
    public void deletePermissionRule(Long ruleId) {
        // TODO: 实现删除权限规则逻辑
        log.info("删除权限规则: ruleId={}", ruleId);
    }

    @Override
    public PermissionRule getPermissionRule(Long ruleId) {
        // TODO: 实现获取权限规则逻辑
        log.debug("获取权限规则: ruleId={}", ruleId);
        return null; // 默认返回null，需要具体实现
    }

    @Override
    public List<PermissionRule> queryPermissionRules(Map<String, Object> criteria) {
        // TODO: 实现查询权限规则逻辑
        log.debug("查询权限规则: criteria={}", criteria);
        return new ArrayList<>(); // 默认空列表，需要具体实现
    }

    @Override
    public boolean validatePermissionExpression(String expression) {
        // TODO: 实现权限表达式验证逻辑
        log.debug("验证权限表达式: expression={}", expression);
        return true; // 默认有效，需要具体实现
    }

    @Override
    public boolean evaluatePermissionExpression(Long userId, String expression) {
        // TODO: 实现权限表达式计算逻辑
        log.debug("计算权限表达式: userId={}, expression={}", userId, expression);
        return false; // 默认无权限，需要具体实现
    }

    @Override
    public void refreshUserPermissionCache(Long userId) {
        // TODO: 实现刷新用户权限缓存逻辑
        log.info("刷新用户权限缓存: userId={}", userId);
    }

    @Override
    public void refreshRolePermissionCache(Long roleId) {
        // TODO: 实现刷新角色权限缓存逻辑
        log.info("刷新角色权限缓存: roleId={}", roleId);
    }

    @Override
    public void clearAllPermissionCache() {
        // TODO: 实现清理所有权限缓存逻辑
        log.info("清理所有权限缓存");
    }
}
